Paharpur Cooling Towers Ltd. Manufactures Cooling Tower with Corrosion Proof Construction. Paharpur Cooling Towers Ltd. Is an ISO 9001 accredited company. The company manufactures Cooling Towers and Air Cooled Heat Exchangers. The Cooling Tower with Corrosion Proof Construction is a unique cooling tower in its design and appearance. The Cooling Tower with Corrosion Proof Construction has advantages like proven Paharpur mechanical equipment, efficient PVC film-type fill, ease of maintenance and architectural compatibility. The Cooling Tower with Corrosion Proof Construction is truly state-of-the-art FRP cooling tower.